2024 Alfa Romeo Tonale Auxiliary Coolant Pump Battery Drain TSB
A manufacturer communication (NHTSA ID 10247403) details a procedure to address continuous parasitic battery drain in 2024 Alfa Romeo Tonale and 2023-2024 Dodge Hornet vehicles, potentially caused by the auxiliary coolant pump. A simple reset procedure can resolve the issue without part replacement.
Marcus Weber2024 Alfa Romeo Tonale
Also applies to
- Dodge Hornet
- 2023–2024
Owners of 2024 Alfa Romeo Tonale and 2023-2024 Dodge Hornet vehicles may encounter a continuous parasitic battery drain. This issue, specifically linked to the auxiliary coolant pump, is addressed in a manufacturer communication, identified by NHTSA ID 10247403. This technical service bulletin (TSB) provides a crucial procedure to resolve the problem without replacing the pump.
Symptoms
The primary symptom is a continuous parasitic battery drain, which can lead to a dead battery if the vehicle is left unused for some time. This drain is often traced back to the auxiliary coolant pump, even when the vehicle is turned off. If you notice your vehicle's battery repeatedly losing charge, especially after it has been sitting, this TSB may apply to your situation.
Important Warning for Owners and Technicians
This manufacturer communication includes a critical instruction: "Do not replace the Aux pump for this condition without performing this procedure." This highlights that the issue is often a control or reset problem rather than a faulty component. Replacing the auxiliary coolant pump without first attempting the specified reset procedure will not resolve the underlying condition and could lead to unnecessary costs.
Diagnosis and Repair Procedure
If a vehicle exhibits a continuous parasitic battery drain that is traced to the auxiliary coolant pump, technicians should follow a specific battery replacement/reconnection procedure. This involves turning the vehicle on for one minute (Key On Engine Off) and then turning it off. This sequence is designed to reset the pump's operation, thereby resolving the parasitic drain.
This procedure is a key part of addressing the 2024 Alfa Romeo Tonale manufacturer_communication regarding battery drain issues. It ensures that the auxiliary coolant pump operates correctly after a battery service or if it enters an incorrect state.
What Owners Should Do
If you own a 2024 Alfa Romeo Tonale or a 2023-2024 Dodge Hornet and are experiencing a continuous parasitic battery drain, especially if it's been linked to the auxiliary coolant pump, contact your authorized dealership. Inform them about the symptoms and reference NHTSA ID 10247403. The dealership technicians should be aware of this manufacturer communication and the specific reset procedure to correctly diagnose and resolve the issue.
Source: NHTSA ID 10247403
Frequently Asked Questions
- What is the primary issue addressed by NHTSA ID 10247403?
- NHTSA ID 10247403 addresses a continuous parasitic battery drain in certain Alfa Romeo Tonale and Dodge Hornet vehicles, which is often traced back to the auxiliary coolant pump.
- Can I fix the auxiliary coolant pump battery drain myself?
- While the procedure involves a simple Key On Engine Off sequence, it's part of a broader battery replacement/reconnection procedure. It is recommended to have an authorized dealership perform the diagnosis and repair to ensure it's done correctly and to confirm the auxiliary coolant pump is indeed the source of the drain.
- Will replacing the auxiliary coolant pump fix the battery drain?
- According to the manufacturer communication, you should "Do not replace the Aux pump for this condition without performing this procedure." The issue is often resolved by a reset procedure rather than a part replacement, so replacing the pump prematurely may not fix the problem.
- Which vehicles are affected by this auxiliary coolant pump issue?
- This manufacturer communication applies to 2024 Alfa Romeo Tonale and 2023-2024 Dodge Hornet vehicles that exhibit a continuous parasitic battery drain related to the auxiliary coolant pump.
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